Turn Your Best RC Crawler Into A Beast

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What Do I Have to Do If I Want to Upgrade My Brushed RC car to Brushless?

 

Items You Will Need

After you run your RC car for a while, if it comes with a brushed system, you might want to upgrade its performance so it can out perform your friends’ on the tracks. To do so, you need to buy several items.

 

To upgrade from a brushed system to a brushless system, you need more than just a motor, thus, next time when you buy a new RC car, you should just buy the brushless version. By doing, you can save a lot of money. Click To Tweet

 

  • A brushless motor (that is obvious)
  • An Electronic Speed Controller (one can handle the brushless motor and the LIPO batteries)
  • A LIPO battery (2S; 7.4v or 3S; 11.1v)
  • A charger for LIPO Batteries (IMX B6 is the one I like)
  • A set of metal gears
  • Some aluminum parts that can stand the abuse given by the brushless system
  • A tape to reinforce the original car body as necessary

Details You Have to Remember

First, you have to make sure that the new brushless motor is of the right size, so you can replace your brushed 540 motor with this new motor.  Moreover, the diameter of the shaft is another thing you need to check it out.  For 540 motor, it is usually 3.175 mm. Then, you have to choose a brushless motor with the right KV value. If it is a racer, the higher KV value the better, usually higher than 3000 KV. On the other hand, if it is an RC crawler, you should choose the one with lower KV for its torque (under 3000 KV). For an RC crawler, you have to buy brushless sensored motor that you control its speed more precisely.

 

Furthermore, as these brushless motors are powerful, you should replace your set of plastic gears with the metal ones otherwise they will get damaged easily.

Also you need an ESC that can handle brushless motors. You also need LIPO batteries. If you use a 3s LIPO, you need an ESC at least with 120a.  You can find a good ESC on eBay.

You might also consider replacing some of the plastic parts with ones made of aluminum. To get more information about this, read the post about the benefits for replacing with aluminum option parts.

Finally, you should think it over whether you should reinforce the body of your car. If the body is made of material such as PVC, you should really consider buying a tape to reinforce it as it is the protection for your expensive electronic system under that cover.

Now, you will be ready to rock with your superb beast. 1,2,3, go!

 

Do you think we should always run our RC car on a brushless system?  Let’s leave some comment below.

 

Thanks for reading

Written by Carlos Santos, your webmaster.

 

 


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